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Question
Evaluate: −8−2[6+4{7−(2.8+1.4)}]
Evaluate: −8−2[6+4{7−(2.8+1.4)}]
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Solution
The correct option is C −42.4
−8−2[6+4{7−(4.2)}]
=−8−2[6+4{7−4.2}]
=−8−2[6+4{2.8}]
=−8−2[6+11.2]
=−8−2[17.2]
=−8−34.4
=−42.4
−8−2[6+4{7−(4.2)}]
=−8−2[6+4{7−4.2}]
=−8−2[6+4{2.8}]
=−8−2[6+11.2]
=−8−2[17.2]
=−8−34.4
=−42.4
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